What European country led world exploration in the early 1400s?

Portugal and Spain became the early leaders in the Age of Exploration. Through the Treaty of Tordesillas the two countries agreed to divide up the New World. Spain got most of the Americas while Portugal got Brazil, India, and Asia. Spain sent over conquistadors to explore the Americas and to conquer the peoples there.

Explanation:

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

not sure might be he acquired the entire oregon territory from great britain